baber/WOPTO huggingface dataset:
Patent JP-2001256685-A (JP)
Title: Magneto-optical recording medium
Inventor: KAWASAKI MINORU
IPC: C08F2/44
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a magneto-optical recording medium having satisfactory lubricity and which will not cause head crash. SOLUTION: In the magneto-optical recording medium 1 comprising an inorganic enhance layer 3, a magneto-optical recording layer 4, an inorganic protective layer 5 and an organic protective layer 6 formed successively on a transparent substrate 2, the organic protective layer 6 is formed by curing a UV-curing resin comprising a mixture of epoxy novolak acrylate, ethoxylated trimethylolpropane triacrylate and dipropylene glycol diacrylate, and further comprising 1α-hydroxyketone, α-amine ketone and a polyether modified silicone polymer, each of which is mixed in a prescribed proportion to the amount of the mixture.
Patent JP-2001257287-A (JP)
Title: Semiconductor device
Inventor: IKEGAMI HIROSHIGE
IPC: H01L23/12
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a propagation delay occurs in a signal in a high-frequency domain due to a large relative dielectric constant of an insulating substrate, by which higher-speed data processing cannot be responded. SOLUTION: This semiconductor device is constructed by covering an insulating substrate 1 on which a semiconductor element 3 is mounted with a mold resin 7. The insulating substrate 1 is composed of 20-80 volume % of glass containing 5-60 weight % of BaO and having a yielding point of 400-800 deg.C and 20-80 volume % of a filler composed of at least one kind selected from quartz, cristobalite, tridymite and enstatite. The substrate is formed by a glass ceramic sintered body with a relative dielectric constant of 6 or lower that contains 0.1-30 weight % of ZrO2 in a Zr compound in the glass and/or the filler.
Patent JP-2001255608-A (JP)
Title: Radiation image reader
Inventor: KOISHIKAWA HIROSUKE
IPC: H04N1/04
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To prevent the reflection of exciting light in a condenser mirror with a radiation image reader constituted to improve the light condensing efficiency of the stimulated luminescent light of a reading means by condensing the stimulated light emitted from a stimulus phosphor sheet with a condenser mirror. SOLUTION: The condenser mirror 7 is mounted at a mirror mount 6 and is held within the device. At this time, the condenser mirror 7 is composed of a transparent glass material 20 and a dichroic coating 21 which allows the transmission of the light of the wavelength region of a laser beam and reflects the light of the wavelength region of the stimulated luminescent light is applied on its surface 20A. The back 20B is subjected to a blackening treatment 22. The incident laser beam on the condenser mirror 7 transmits the dichroic coating 21 but is absorbed by the back 20B subjected to the blackening treatment 22 of the glass material 20 constituting the condenser mirror 7.
Patent JP-2001257240-A (JP)
Title: Semiconductor device and substrate for semiconductor device
Inventor: SUDA TORU
IPC: H01L23/28
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device and substrate for the semiconductor device that easily prevent an underfill resin for sealing the gap between the semiconductor device and the substrate from spreading outside the gap, and can improve reliability in the semiconductor device and substrate for the semiconductor device where the semiconductor device is subjected to flip-chip packaging. SOLUTION: This semiconductor device is equipped with the substrate, a semiconductor chip that is mounted onto the substrate, and resin that fills the gap between the substrate and semiconductor chip. The substrate has a foundation layer, a conductive pattern that is formed on the foundation layer, and a coat agent for covering the specific part of the conductive pattern that is formed on the foundation layer. In the coat agent, a horizontal end face is formed opposite to the periphery end face of the semiconductor chip. Also, the coat agent has thickness that reaches a position higher than the level of a surface opposite to the substrate of the semiconductor chip.
Patent JP-2001253560-A (JP)
Title: Printing paper sheet storing cassette
Inventor: TSUJI SHINICHI
IPC: B65H1/12
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a printing paper sheet storing cassette of simple low-profile construction for preventing intrusion of dust from the outside, allowing the repetitive use by exchanging printing paper sheets, and hardly causing undesirable deformation even if great thrusting force is applied to finger grips. SOLUTION: The printing paper sheet storing cassette 1 comprises a container body 3 having a bottom plate portion 3a and peripheral wall portions 3b, 3c, 3d, 3e rising from four sides thereof, a thrust plate 4 having an engagement end 4b engaged with a thrust plate engagement hole 3i formed in the bottom plate portion 3a and a sliding projecting portion 4c on the other end displaceable with its position being restricted by a guide groove 3g in the container body 3, an elastic body 6 formed with a conical coil spring or the like for thrusting the thrust body 4 upward, and a closeable lid 5 for closing the container body 3 at its upper side except a printing paper guide opening, with a pair of finger grips 5f for opening/closing operation protruded from a level flat with an upper face plate portion 5a.
Patent JP-2001256640-A (JP)
Title: Magnetic recording medium and magnetic recording device
Inventor: TAKEUCHI TERUAKI
IPC: H01F10/16
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording medium and a magnetic recording device for high-density magnetic recording having low noise level. SOLUTION: The magnetic recording medium 100 has a base layer 3 between a substrate 1 and a magnetic layer 4, showing perpendicular magnetization. The base layer 3 has a structure of hexagonal crystal grains arranged in a honeycomb form. By forming the base layer 3 as the base of the magnetic layer 4, the grain size of the magnetic layer 4 is decreased and the variance of the grain size is decreased. Thereby, the noise from the magnetic recording medium can be decreased, and high-density magnetic recording can be performed. By providing an in-plane magnetization layer 2, a leakage magnetic field from the magnetic layer 4 is increased to increase the reproduction signal. In formation in the obtained magnetic recording medium can be reproduced with a high S/N.
Patent JP-2001252022-A (JP)
Title: Nonfreezing food material composed of crosslinked starch and frozen dessert produced by using the same
Inventor: TERASAWA SHINICHI
IPC: A23G9/44
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a nonfreezing food material having soft and transparent appearance such as arrowroot starch paste at room temperature even immediately after taking out of a freezer and preservable over a long period and provide a frozen composite dessert produced by using the material. SOLUTION: The nonfreezing food material contains crosslinked modified waxy starch and/or crosslinked modified tapioca starch in combination with crosslinked modified potato starch and is steamed under kneading. The compounding ratio of the crosslinked modified waxy starch and/or crosslinked modified tapioca starch to the crosslinked modified potato starch is preferably 25-95 pts.wt. to 5-75 pts.wt. The material preferably further contains a sweetener.
Patent JP-2001252594-A (JP)
Title: Liquid drain nozzle
Inventor: YAMAMOTO TETSURO
IPC: B05C9/12
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To efficiently use a compressed gas and drain a liquid even for a member of the outer diameter remarkably smaller compared with the inner diameter of a nozzle. SOLUTION: A liquid drain nozzle is provided with a gas jet opening 23 so constituted as to form an annular clearance having a central axis formed of an inner peripheral face 32 of a first annular member 21 and an outer peripheral face 38 of a second annular member 22, and the clearance is so constituted as to open along the given plane orthogonal to the central axis and as to jet the gas out of the opening toward a given position on the central axis separated away from the plane and also an inner hollow 24 in which a member to be cleaned along the central axis can pass through and having the end of the outer peripheral face protruded more than the end of the inner peripheral face in the gas jet direction. The dimension of the annular clearance can be revised by a male screw 34 of the first annular member and a female screw 40 of the second annular member can be changed.  The edge on the outside of the annular clearance opening is positioned inside the end face of the first annular member.
Patent JP-2001264146-A (JP)
Title: Level switch
Inventor: KUNO HIROSHI
IPC: G01F23/22
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To prevent the damage of the protective tube of a level switch due to a vibration without lowering the sensitivity of the level switch even when the protective tube is made long. SOLUTION: The level switch is composed of a plurality of protective tubes into which resistance temperature sensors are inserted. Each protective tube P is divided into a tip level detection part 1 containing each resistance temperature sensor and a base trunk part 2 which is attached to the lid of a container. The tip level detection part and the base trunk part of each protective tube are welded. A reinforcement plate which connects base trunk parts of the plurality of protective tubes may be installed.
Patent JP-2000353782-A (JP)
Title: Semiconductor device and electronic equipment equipped with the same
Inventor: SEKI HIROSHI
IPC: G01R31/3185
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To obtain a semiconductor device which can be restrained from increasing in power consumption in a normal operation mode, while making normal input pin function as a test pin. SOLUTION: A signal input terminal 110, through which input signals whose voltage level changes in accordance with the operation mode, a normal operation mode or a test mode, are inputted, a first transmission circuit 120 which outputs the input signals to an inner cell region, and a second transmission circuit 150 which outputs control signals that indicate a test mode, when the voltage level of the input signals is that of a test mode are provided in the peripheral cell region of a semiconductor device 100. A control circuit 180 is provided to cut off a current that flows through the second transmission circuit 150, when the voltage level of input signals is that of a normal operation mode. The control circuit 180 contains a first and a second P-type transistors 182 and 184, which are formed in a floating N-type well.
Patent JP-2001265256-A (JP)
Title: Display device
Inventor: TOKAI AKIRA
IPC: H01J11/24
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a display device simple in formation of an electrode matrix consisting of a long and slender illuminant group. SOLUTION: In the display device with a screen constituted of the substrate and the long and slender illuminant group arranged on it, a long and slender electrode support with a plurality of electrodes lined along a longitudinal direction of a illuminant to at least one side of a width direction of each illuminant is disposed, the wiring conductor pattern for turning on electricity in the plurality of electrodes of the electrode support is formed on the substrate, and the wiring conductor pattern and the plurality of electrodes perform the control of partial light-emitting of the illuminant.
Patent JP-2000298951-A (JP)
Title: Information recording medium, information recording method, and information recording and reproducing system
Inventor: GOTOU YOSHITOSHI
IPC: G11B20/18
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide an information recording medium that a spare region can be widened in accordance with frequency of occurrence of defective sectors. SOLUTION: An information recording medium is provided with a first spare region 102 including a spare sector to be substituted for a defective sector, a defect control information region 101 controlling substitution of a spare sector for a defective sector, and a volume space 100a in which user data can be recorded. The volume space 100a is constituted so that a second spare region 108 including a spare sector to be substituted for a defective sector can be additionally arranged. Position information indicating a position of the second spare region 108 is recorded in the defect control information region 101.
Patent JP-2001272909-A (JP)
Title: Learning management device
Inventor: SHIMOMUKAI SATOSHI
IPC: G09B5/02
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To efficiently manage learning of students. SOLUTION: This learning management device is provided with a storage means 3 which includes a student data storage part 3a in which student' names are stored, a learning item data storage part 3b in which learning items to be learned by the students are stored and a learning history data storage part c in which learning histories of the students are stored, a control means 5 which retrieves the storage means 3 based on the condition inputted from an input means 4 and, also, which can store the result in a temporary storage part 5b and a display means 6.  Moreover, the control means 5 executes a step of storing the student selected from the storage part 3a, a step of taking out the learning history related to the student from the storage 3b and stores it, a step of storing the learning item selected arbitrarily from the storage part 3c, a step of retrieving unlearned learning items by comparing the selected learning item with the learning history and a step of displaying the student' name and information specifying at least the unlearned learning items on the mean 6.
Patent JP-2001272309-A (JP)
Title: Optical characteristic evaluation method of optical filter, and recording medium with optical characteristic evaluation method program recorded thereon
Inventor: HARA SHINOBU
IPC: G02B1/11
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide an optical characteristic evaluation method, capable of evaluating the propriety of the uniformity of an optical fiber whose functional film has been formed and specifying how to improve, when the uniformity is poor. SOLUTION: This optical characteristics evaluation method is for an optical filter whose functional film has been formed (procedure 1), and the method consists of measuring the values of optical characteristics at plural locations between the two predetermined points on the functional film (procedure 3), calculating the degrees of a changed direction |β| and the direction of the optical characteristics between the two points and of a dispersion α among the optical characteristics values at the points (procedures 4-7), and evaluating whether the degree of the changed direction |β| and the dispersion αare within each corresponding acceptable range, compared to the predetermined first acceptable value and the second acceptable value (procedures 8 and 9).
Patent JP-2001274312-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: SAKAMOTO NORIAKI
IPC: H01L23/50
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To solve a problem such that there is provided a semiconductor device to which a semiconductor element is mounted with a printed substrate, a ceramic substrate, a flexible sheet, etc., as a support substrate, but these support substrates are not intrinsically necessary and are surplus materials, and moreover a thickness of the support substrate increases a size of the semiconductor device. SOLUTION: In a first conductive path 51A, a groove 54A is formed so as to low arrange a semiconductor element 52A, and a conductive path 51 and a semiconductor element 52 are supported by an insulating resin 50 to realize a semiconductor device. Accordingly, a top part of a metal fine wire 55A can be lowered and a thickness of a semiconductor device 53 can be thinned. Furthermore, a sidewall is formed around the groove, thereby prolonging a path of a damp reaching the semiconductor element.
Patent JP-2001273445-A (JP)
Title: Device and method for controlling viewing
Inventor: UEDA OSAMU
IPC: G06Q30/04
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a device/method for controlling viewing capable of eliminating danger to damage the benefit of a writer and creating an environment for creating various business models related to contents distribution. SOLUTION: Distribution-permitted contents are distributed from a writer 1 to an audition-permitted viewer 2 on prescribed charging conditions, audition charges corresponding to cumulative contents sending time are collected from the viewer 2 and in the charges, a compensation component is paid to the side of the writer 1. Thus, danger to damage the benefit of the writer can be eliminated and the environment for creating various business models related to the contents distribution can be created.
Patent JP-2001012734-A (JP)
Title: Control device for combustion apparatus or water heating apparatus
Inventor: TSURUTA TORU
IPC: F23N5/26
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To give contact address information at the time of changing a combustion apparatus or a water heating apparatus when the life of the apparatus is detected, by storing information for the address of management division when the life of the combustion apparatus or the water heating apparatus is detected and information the information when the life of the apparatus has been detected. SOLUTION: A life detecting means 53 consists of an operation time measuring means for measuring operation time of a gas water heater or an operation frequency measuring means for measuring the number of operation of the gas water heater. A remote controller 33 comprises a remote control unit 57, an information memory 61 which stores information for the address of management division on the occasion when the gas water heater is to be changed, a controller 62, a display and an informing means 63. The life detecting means 53 detects the life of a water heater body 1.  For instance, when the operation time detected by the life detecting means 53 exceeds 10,000 hours, the detected life information is transferred to an information control means 59 through a main body communication means 55 and a communication means 56, thereby being informed of the where-to-contact information for change by the informing means 63.
Patent JP-2001269125-A (JP)
Title: Feed for pig
Inventor: HAYAKAWA TERUO
IPC: A23K1/16
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To develop a simple method for reducing the proliferation of Escherichia coil and so forth in pigs and effective for controlling diarrhoea of the pigs and promoting the growth of the pigs. SOLUTION: This feed for pigs, characterized by adding dextran fermentation by-products to the feed.
Patent JP-2001278692-A (JP)
Title: Manufacturing method of silicon wafer and single crystal silicon
Inventor: HOSHI RYOJI
IPC: H01L21/208
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of silicon wafer and single crystal silicon, which lowers density and size of such defects as COP, improves productivity of silicon wafer with superior device performance and high quality, and reduces cost. SOLUTION: The mirror surface silicon wafer is obtained by cutting a rod of single crystal silicon being grown in a condition where V-rich zone is superior in CZ method. Its particle size is controlled in a way that number of particles with 0.1 μm or more becomes 1 particle/cm2 or less on counting particles with a particle counter.
Patent JP-2001285279-A (JP)
Title: Encryption communication method and encryption communication system
Inventor: KUBO HIROSHI
IPC: H04L9/26
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide an encryption communication method and an encryption communication system that can attain preview, reduce the traffic for key delivery and enhance the security against illegal information acquisition. SOLUTION: A transmission terminal 11 uses a chaos dynamic system to sequentially generate keys s(t) from an initial value x(τ) and divides distributed information, encrypts each of divided information by using the generated keys s(t) and transmits the encrypted information. A reception terminal 21 acquires the same key s(t) by using the same chaos dynamic system as that of the transmission terminal 11 to decode the distributed and encrypted information. By limiting the period of generating the same key between the transmission terminal 11 and the reception terminal 21, a preview of the information can be realized.  For example, by including an error to the initial value of the reception terminal 21, the reception terminal 21 becomes unable to generate a correct key after a prescribed time due to the sensitivity of the chaos dynamic system to the initial value and the preview can be terminated.
Patent JP-2001277822-A (JP)
Title: Pneumatic radial tire
Inventor: FUJIKI KANJI
IPC: B60C15/06
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To improve durability in a bead section. SOLUTION: In a pneumatic tire using a carcass as its framework comprising a carcass body, which is a ply made from rubber coated codes radially extending between a pair of bead cores, and a folded section comprising the ply rewound around each bead core from the inside to outside of the tire and extending outward in a radial direction of the tire and folded, at least the terminal section of the rewound section of the carcass section is coated with rubber, and the coating rubber consists of rubber composition comprising inorganic additive of 1 to 30 pts.wt. to rubber of 100 pts.wt.
Patent JP-2001278819-A (JP)
Title: Method for producing alkenyl-substituted aromatic hydrocarbon
Inventor: MATSUMOTO TAKANARI
IPC: B01J31/22
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a new method for synthesizing an alkenyl-substituted aromatic hydrocarbon in a good selectivity by alkenylation of an aromatic hydrocarbon with an olefin. SOLUTION: This method for producing an alkenyl-substituted aromatic hydrocarbon comprises alkenylating an aromatic hydrocarbon with an olefin by using β-diketone together with a rhodium complex catalyst in the presence of oxygen and the absence of oxidation cocatalyst. The method for producing the alkenyl-substituted aromatic hydrocarbon, not requiring the oxidation cocatalyst such as a copper-containing compound or a silver-containing compound is provided by using the rhodium complex as the catalyst and adding the β-diketone to the reaction system when the aromatic hydrocarbon is alkenylated with the olefin in the presence of oxygen. A reaction for alkenylating benzene with ethylene in order to obtain styrene is exemplified as one useful reaction thereof.
Patent JP-2001277621-A (JP)
Title: Journal printer
Inventor: YAMADA TAKAHIRO
IPC: B41J11/70
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To solve the problems of the need of providing a large storage space and rewinding a printed paper lengthily to the initially wounded part for observing the journal of an initial part of the date since the paper with the content of the trade printed is in a roll paper form, that is, a cylindrical form, and to improve the problems of difficulty in miniaturization and the expensiveness of the conventional cash automatic teller machines, which comprise a receipt printer and a journal printer independently. SOLUTION: By cutting a paper with the content of the trade printed by an appropriate length, and storing the same as a bundle, the journal can be stored in a square pole form so that the storage space can be reduced as well as the content of the trade to be observed can be found instantaneously. Moreover, the journal printer and the receipt printer can be provided commonly.